13/03/2019

Measuring the success of East African protected areas

East Africa (Burundi, Kenya, Rwanda, Tanzania and Uganda) contains 1,776 protected areas (including 186 "strict" protected areas) covering more than 27 percent of its terrestrial area. Researchers at UC Davis have now documented ...

Strontium isotope maps are disturbed by agricultural lime

Strontium isotopes are frequently used in archaeological studies to establish the provenance and migration history of prehistoric people and artifacts. Many of these studies may be based on incorrect data. A Danish study ...

Testing the symmetry of space-time by means of atomic clocks

In his Special Theory of Relativity, Einstein formulated the hypothesis according to which the speed of light is always the same, no matter what the conditions are. It may, however, be possible that—according to theoretical ...

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